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Finding the Fourth Proportional to 564,490.92, 778,969.04 and 335,058.23

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Solution

The fourth proportional to 564,490.92, 778,969.04 and 335,058.23 is: 462,363.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    564,490.92 : 778,969.04 = 335,058.23 : x
  2. Step 2: Convert to fraction form
    564,490.92/778,969.04 = 335,058.23/x
  3. Step 3: Cross multiply
    564,490.92x = 778,969.04 × 335,058.23
  4. Step 4: Simplify right side
    564,490.92x = 260,999,982,197.06
  5. Step 5: Solve for x
    x = 260,999,982,197.06/564,490.92
  6. Step 6: Final answer
    x = 462,363.47

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.